Home / 19,318,539.90-28,977,809.85-13,964,763.90

Finding the Fourth Proportional to 19,318,539.90, 28,977,809.85 and 13,964,763.90

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Solution

The fourth proportional to 19,318,539.90, 28,977,809.85 and 13,964,763.90 is: 20,947,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,539.90 : 28,977,809.85 = 13,964,763.90 : x
  2. Step 2: Convert to fraction form
    19,318,539.90/28,977,809.85 = 13,964,763.90/x
  3. Step 3: Cross multiply
    19,318,539.90x = 28,977,809.85 × 13,964,763.90
  4. Step 4: Simplify right side
    19,318,539.90x = 404,668,272,894,344.44
  5. Step 5: Solve for x
    x = 404,668,272,894,344.44/19,318,539.90
  6. Step 6: Final answer
    x = 20,947,145.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.